Home / 4,875.12-6,726.96-2,885.76

Finding the Fourth Proportional to 4,875.12, 6,726.96 and 2,885.76

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Solution

The fourth proportional to 4,875.12, 6,726.96 and 2,885.76 is: 3,981.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,875.12 : 6,726.96 = 2,885.76 : x
  2. Step 2: Convert to fraction form
    4,875.12/6,726.96 = 2,885.76/x
  3. Step 3: Cross multiply
    4,875.12x = 6,726.96 × 2,885.76
  4. Step 4: Simplify right side
    4,875.12x = 19,412,392.09
  5. Step 5: Solve for x
    x = 19,412,392.09/4,875.12
  6. Step 6: Final answer
    x = 3,981.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.